update

library/ssh/cipher.go

@@ -3,6 +3,7 @@ package ssh
 import "golang.org/x/crypto/ssh"
 
 var (
+	defaultCiphers   = []string{"aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "aes192-cbc", "aes256-cbc"}
 	supportedCiphers = SupportedCiphers()
 )
 

library/ssh/config.go

@@ -59,7 +59,7 @@ func KeyboardInteractivefunc(reader *bufio.Reader, writer io.Writer, account *Ac
 			if emptyInteractiveCount++; emptyInteractiveCount > 50 {
 				return nil, errors.New("interactive count is too much")
 			}
-			return []string{}, nil
+			return nil, nil
 		}
 		for _, question := range questions {
 			io.WriteString(utils.DecodeBy(charset, writer), question)